oj.uz

Submission #739884

# Submission time Handle Problem Language Result Execution time Memory
739884 2023-05-11T14:00:04 Z abczz Mutating DNA (IOI21_dna) C++17
100 / 100
 107 ms 16432 KB 
#include <iostream>
#include <array>
#include "dna.h"
#define ll long long

using namespace std;

array<ll, 6> st[400000], Q;
string S, T, D[6] = {"AT", "AC", "TC", "CT", "CA", "TA"};
ll n, f, z, C[26], R[6], mx;

void build(ll id, ll l, ll r) {
	if (l == r) {
		for (int i=0; i<6; ++i) {
			if (D[i][0] == S[l] && D[i][1] == T[l]) {
				++st[id][i];
				break;
			}
		}
		return;
	}
	ll mid = (l+r)/2, z;
	build(id*2, l, mid);
	build(id*2+1, mid+1, r);
	st[id] = st[id*2];
	for (int i=0; i<6; ++i) {
		st[id][i] += st[id*2+1][i];
	}
}

void query(ll id, ll l, ll r, ll ql, ll qr) {
	if (r < ql || qr < l) return;
	else if (ql <= l && r <= qr) {
		for (int i=0; i<6; ++i) {
			Q[i] += st[id][i];
		}
		return;
	}
	ll mid = (l+r)/2;
	query(id*2, l, mid, ql, qr);
	query(id*2+1, mid+1, r, ql, qr);
}

void init(std::string a, std::string b) {
	S = a, T = b;
	n = a.size();
	C['A'-'A'] = 0, C['T'-'A'] = 1, C['C'-'A'] = 2;
	build(1, 0, n-1);
}

int get_distance(int x, int y) {
	for (int i=0; i<6; ++i) R[i] = Q[i] = 0;
	f = mx = 0;
	query(1, 0, n-1, x, y);
	for (int i=0; i<3; ++i) {
		z = min(Q[i], Q[5-i]);
		Q[i] -= z, Q[5-i] -= z;
		f += z;
	}
	for (int i=0; i<6; ++i) {
		mx = max(mx, Q[i]);
		for (int j=0; j<2; ++j) {
			R[C[D[i][j]-'A']+j*3] += Q[i];
		}
	}
	for (int i=0; i<3; ++i) {
		if (R[i] != R[i+3]) return -1;
	}
	return f+mx*2;
}

Compilation message

dna.cpp: In function 'void build(long long int, long long int, long long int)':
dna.cpp:22:20: warning: unused variable 'z' [-Wunused-variable]
   22 |  ll mid = (l+r)/2, z;
      |                    ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 15012 KB Output is correct
2 Correct 60 ms 15056 KB Output is correct
3 Correct 61 ms 14868 KB Output is correct
4 Correct 61 ms 16052 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 9 ms 13576 KB Output is correct
5 Correct 11 ms 13524 KB Output is correct
6 Correct 9 ms 13524 KB Output is correct
7 Correct 9 ms 13524 KB Output is correct
8 Correct 13 ms 13524 KB Output is correct
9 Correct 9 ms 13500 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 9 ms 13576 KB Output is correct
5 Correct 11 ms 13524 KB Output is correct
6 Correct 9 ms 13524 KB Output is correct
7 Correct 9 ms 13524 KB Output is correct
8 Correct 13 ms 13524 KB Output is correct
9 Correct 9 ms 13500 KB Output is correct
10 Correct 75 ms 14936 KB Output is correct
11 Correct 75 ms 15008 KB Output is correct
12 Correct 93 ms 15264 KB Output is correct
13 Correct 89 ms 15264 KB Output is correct
14 Correct 84 ms 15340 KB Output is correct
15 Correct 86 ms 15272 KB Output is correct
16 Correct 78 ms 15272 KB Output is correct
17 Correct 77 ms 15424 KB Output is correct
18 Correct 81 ms 15472 KB Output is correct
19 Correct 67 ms 15604 KB Output is correct
20 Correct 68 ms 15620 KB Output is correct
21 Correct 70 ms 15596 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 9 ms 13576 KB Output is correct
5 Correct 11 ms 13524 KB Output is correct
6 Correct 9 ms 13524 KB Output is correct
7 Correct 9 ms 13524 KB Output is correct
8 Correct 13 ms 13524 KB Output is correct
9 Correct 9 ms 13500 KB Output is correct
10 Correct 9 ms 13504 KB Output is correct
11 Correct 10 ms 13500 KB Output is correct
12 Correct 10 ms 13500 KB Output is correct
13 Correct 12 ms 13520 KB Output is correct
14 Correct 10 ms 13504 KB Output is correct
15 Correct 11 ms 13504 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 15012 KB Output is correct
2 Correct 60 ms 15056 KB Output is correct
3 Correct 61 ms 14868 KB Output is correct
4 Correct 61 ms 16052 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 9 ms 13576 KB Output is correct
12 Correct 11 ms 13524 KB Output is correct
13 Correct 9 ms 13524 KB Output is correct
14 Correct 9 ms 13524 KB Output is correct
15 Correct 13 ms 13524 KB Output is correct
16 Correct 9 ms 13500 KB Output is correct
17 Correct 75 ms 14936 KB Output is correct
18 Correct 75 ms 15008 KB Output is correct
19 Correct 93 ms 15264 KB Output is correct
20 Correct 89 ms 15264 KB Output is correct
21 Correct 84 ms 15340 KB Output is correct
22 Correct 86 ms 15272 KB Output is correct
23 Correct 78 ms 15272 KB Output is correct
24 Correct 77 ms 15424 KB Output is correct
25 Correct 81 ms 15472 KB Output is correct
26 Correct 67 ms 15604 KB Output is correct
27 Correct 68 ms 15620 KB Output is correct
28 Correct 70 ms 15596 KB Output is correct
29 Correct 9 ms 13504 KB Output is correct
30 Correct 10 ms 13500 KB Output is correct
31 Correct 10 ms 13500 KB Output is correct
32 Correct 12 ms 13520 KB Output is correct
33 Correct 10 ms 13504 KB Output is correct
34 Correct 11 ms 13504 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 71 ms 15936 KB Output is correct
37 Correct 72 ms 16108 KB Output is correct
38 Correct 96 ms 16356 KB Output is correct
39 Correct 102 ms 16428 KB Output is correct
40 Correct 107 ms 16432 KB Output is correct
41 Correct 10 ms 13524 KB Output is correct
42 Correct 89 ms 16284 KB Output is correct
43 Correct 106 ms 16332 KB Output is correct
44 Correct 79 ms 16340 KB Output is correct
45 Correct 72 ms 16268 KB Output is correct
46 Correct 68 ms 16324 KB Output is correct
47 Correct 67 ms 16320 KB Output is correct